Fiio E07k works with the Xperia Z Ultra
I finally got around to trying it out and seeing if it would work.
Micro USB OTG to mini USB cable. It's not pretty, and I know some people on ebay make it, but I have lots of these individual cables around, so I figured I'd Frankenstein then together.
Works awesomely. Stock, unrooted phone. Also works with my Xperia ZL.
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